842711 has 4 divisors (see below), whose sum is σ = 871800. Its totient is φ = 813624.

The previous prime is 842701. The next prime is 842729. The reversal of 842711 is 117248.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-842711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14501 + ... + 14558.

It is an arithmetic number, because the mean of its divisors is an integer number (217950).

2⁸⁴²⁷¹¹ is an apocalyptic number.

842711 is a deficient number, since it is larger than the sum of its proper divisors (29089).

842711 is a wasteful number, since it uses less digits than its factorization.

842711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29088.

The product of its digits is 448, while the sum is 23.

The square root of 842711 is about 917.9929193627. The cubic root of 842711 is about 94.4552759075.

Adding to 842711 its reverse (117248), we get a palindrome (959959).

The spelling of 842711 in words is "eight hundred forty-two thousand, seven hundred eleven".